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Possible implementation of SD Card corruption workaround reported here
https://docs.openmoko.org/trac/ticket/1802#comment:5
Signed-off-by: Andy Green <andy@openmoko.com>
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Some boots from Qi trigger a symptom from this interesting race -->
[ 2.730000] Unable to handle kernel NULL pointer dereference at virtual address 00000248
[ 2.730000] pgd = c0004000
[ 2.735000] [00000248] *pgd=00000000
[ 2.735000] Internal error: Oops: 5 [#1] PREEMPT
[ 2.735000] Modules linked in:
[ 2.735000] CPU: 0 Not tainted (2.6.24-stable10_0c1587137aaf0ee3-mokodev #1071)
[ 2.735000] PC is at pcf50633_voltage_set+0x1c/0xfc
[ 2.735000] LR is at gta02_glamo_mmc_set_power+0xdc/0x128
[ 2.735000] pc : [<c01df570>] lr : [<c0034324>] psr: 60000013
[ 2.735000] sp : c7c57eb0 ip : c7c57ec8 fp : c7c57ec4
[ 2.735000] r10: c7cfca28 r9 : 00000000 r8 : c7c57f68
[ 2.735000] r7 : c7cfca68 r6 : c7cfcae0 r5 : 00000c80 r4 : 00000000
[ 2.735000] r3 : 00000000 r2 : 00000c80 r1 : 0000000a r0 : 00000c80
[ 2.735000] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 2.735000] Control: c000717f Table: 30004000 DAC: 00000017
[ 2.735000] Process kmmcd (pid: 102, stack limit = 0xc7c56268)
[ 2.735000] Stack: (0xc7c57eb0 to 0xc7c58000)
[ 2.735000] 7ea0: c0608c58 00000c80 c7c57edc c7c57ec8
[ 2.735000] 7ec0: c0034324 c01df564 c7cfca28 c7cfc800 c7c57f1c c7c57ee0 c0194de0 c0034258
[ 2.735000] 7ee0: c7c57f34 c7c57ef0 c01e6230 c005de5c 60000013 c7cfca28 c7cfc800 60000013
[ 2.735000] 7f00: c7cfca68 c7c57f68 00000000 c01e6778 c7c57f34 c7c57f20 c01e5d68 c0194da8
[ 2.735000] 7f20: c7cfc800 c7cfca08 c7c57f5c c7c57f38 c01e6810 c01e5cbc c0059278 c7c57f48
[ 2.735000] 7f40: c02d2ba0 00000002 c7c44420 c7c56000 c7c57f9c c7c57f60 c00592e0 c01e6788
[ 2.735000] 7f60: 00000002 c0059278 c0608d74 c04321cc c036e16c 00000000 c7c57fb0 c7c44420
[ 2.735000] 7f80: c7c56000 00000000 00000000 00000000 c7c57fd4 c7c57fa0 c005a068 c00591ec
[ 2.735000] 7fa0: c02d0624 00000000 c7c4c0e0 c005dc2c c7c57fb0 c7c57fb0 00000000 c7c56000
[ 2.735000] 7fc0: c7c44420 c0059f84 c7c57ff4 c7c57fd8 c005db28 c0059f94 00000000 00000000
[ 2.735000] 7fe0: 00000000 00000000 00000000 c7c57ff8 c004b170 c005dad8 ffffffff ffffffff
[ 2.735000] Backtrace:
[ 2.735000] [<c01df554>] (pcf50633_voltage_set+0x0/0xfc) from [<c0034324>] (gta02_glamo_mmc_set_power+0xdc/0x128)
[ 2.735000] r5:00000c80 r4:c0608c58
[ 2.735000] [<c0034248>] (gta02_glamo_mmc_set_power+0x0/0x128) from [<c0194de0>] (glamo_mci_set_ios+0x48/0x254)
[ 2.735000] r5:c7cfc800 r4:c7cfca28
[ 2.735000] [<c0194d98>] (glamo_mci_set_ios+0x0/0x254) from [<c01e5d68>] (mmc_power_up+0xbc/0x100)
[ 2.735000] [<c01e5cac>] (mmc_power_up+0x0/0x100) from [<c01e6810>] (mmc_rescan+0x98/0x1a8)
[ 2.735000] r5:c7cfca08 r4:c7cfc800
[ 2.735000] [<c01e6778>] (mmc_rescan+0x0/0x1a8) from [<c00592e0>] (run_workqueue+0x104/0x208)
[ 2.735000] r6:c7c56000 r5:c7c44420 r4:00000002
[ 2.735000] [<c00591dc>] (run_workqueue+0x0/0x208) from [<c005a068>] (worker_thread+0xe4/0xf8)
[ 2.735000] [<c0059f84>] (worker_thread+0x0/0xf8) from [<c005db28>] (kthread+0x60/0x94)
[ 2.735000] r6:c0059f84 r5:c7c44420 r4:c7c56000
[ 2.735000] [<c005dac8>] (kthread+0x0/0x94) from [<c004b170>] (do_exit+0x0/0x6f4)
[ 2.735000] r6:00000000 r5:00000000 r4:00000000
[ 2.735000] Code: e351000a e1a04000 e1a00002 8a000032 (e5943248)
[ 2.745000] ---[ end trace 123ec1d286354824 ]---
This problem was caused by insufficient timeout waiting for pcf50633 to resume
and broken code to detect timeout exhaustion.
Although I'd like to think it has something to do with mmc resume woes it should make a panic
and subsequent emergency spew on UART2 if that had been the case.
Took the opportunity to move the stuff to show completion of probe to later in the
pcf50633 probe and tighten readiness test.
Signed-off-by: Andy Green <andy@openmoko.com>
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Fix all of the mismatches Andrzej put us on to.
Found-by: Andrzej Zaborowski <balrogg@gmail.com>
Signed-off-by: Andy Green <andy@openmoko.com>
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fix-accel-irq-mismatch.patch
I just found a while to start doing something cool with the
accelerometers but I hit #1613 (both accelerometer nodes can't be read
concurrently for longer than a moment). Turns out to be very silly.
I'll continue the cool stuff another day,
Cheers
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style cleanups for accel threshold setting patch
Signed-off-by: Andy Green <andy@openmoko.com>
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Hi!
First: Unfortunately, the freerunner currently wakes up immediately on
suspend when the accelerometer IRQ is selected as a wakeup source. I'm
posting this for comments and if someone else wants to have a look at
this problem.
The patch should be safe to apply even though the sleep portion doesn't
work - as long as it's configured it will not disturb anything.
// Simon
--
lis302dl-configure-wakeup-interrupts.patch
From: simon.kagstrom <simon.kagstrom@gmail.com>
First: Unfortunately, the freerunner currently wakes up immediately on
suspend when the accelerometer IRQ is selected as a wakeup source.
Add configuration of wakeup/freefall interrupts through a sysfs
interface. Configuration is done through echoing a value of the
form
X Y Z THRESHOLD DURATION SPEC
to freefall_wakeup_1/2. X, Y and Z are threshold values, given as a
value > 0, < 0 or 0 to specify if an interrupt should be generated for
high or low thresholds or neither (off). THRESHOLD specifies the
threshold that must be exceeded. DURATION specifies the time in
milliseconds for which the acceleration should be measured. SPEC is
either '1' or '0' and specifies if the thresholds should be taken all
together or one at a time ('and' or 'or' mode).
Echoing '0' to the file turns off the interrupts.
Example:
echo "1 1 1 60 60 0" > freefall_wakeup_1 # Turn on x,y,z, 60ms/60 threshold, or-mode
echo "0" > freefall_wakeup_1 # Turn off interrupt
The hardware supports two simulataneous wakeup sources to be configured,
but the freerunner only connects one of the interrupt outputs. The patch
exports both. Similarly, only the "top" accelerometer can be used as a
wake-up source, and it's not possible to generate DATA_READY interrupts
while the wakeup interrupts are active.
Signed-off-by: Simon Kagstrom <simon.kagstrom@gmail.com>
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Subject: [PATCH] [gta02] Disable hardware ECC unless we get instructed to enable it
This is restoring the old behavior in regard to ECC. Even if
hardware ECC was compiled in we didn't use it. Make this a runtime
option. If the bootloader passes hardware_ecc we will enable the
hardware ECC for real.
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Subject: [PATCH] [gta02] Disable the NAND debugging as it would print every hardware ECC
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Subject: [PATCH] Revert "s3c2440-nand-disable-hwecc.patch"
This reverts commit 1d89da736ed33d3f7c398fb9f8dfddecb7c7c7a9.
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Add definitions for the rest of the wakeup defs and also change FFWUSRC1
to FFWUSRC - there are two of these which are identical.
Signed-off-by: Simon Kagstrom <simon.kagstrom@gmail.com>
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This patch fixes module unloading for the accelerometer (actually module
loading failed before). The two problems were that the interrupt was not
unregistered, and that the device was left in a "strange" state.
Signed-off-by: Simon Kagstrom <simon.kagstrom@gmail.com>
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Fix spelling error on function name
Signed-off-by: Simon Kagstrom <simon.kagstrom@gmail.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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We failed to report status of "discharging", instead reporting
"not charging" even if we knew that the charger was not present.
This patch corrects it and reports "discharging" when charger
is absent.
Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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This cleans out some random externs in C files that checkpatch does not like
and introduces a couple of .h files to contain them. Plus some other minor
checkpatch style complaints.
Signed-off-by: Andy Green <andy@openmoko.com>
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Set the UART FIFO to trigger earlier on the GTA01 device to minimize
UART overruns from the GSM.
Signed-off-by: Mike Westerhof <mwester@dls.net>
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This patch adds the gta01 backlight callback that defers the
restoring of the backlight until after the jbt driver has
resumed. This doesn't eliminate the flashing of the LCD on
the gta01, but it reduces it considerably.
Signed-off-by: Mike Westerhof <mwester@dls.net>
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This patch is the pcf50606 equivalent of the pcf50633 patch that
disables interrupts from the chip until after resume is complete.
In order to ensure no data is lost, the work function is called
post-resume to process any pending interrupts.
Most of the code was quite literally re-used from Andy Green's
original patch.
Signed-off-by: Mike Westerhof <mwester@dls.net>
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This patch ensures that no console data will go the UART while
the GSM mux is switched to the GSM. This is necessary despite
the code that disables the console due to the fact that the
console resumes before the neo1973_pm_gsm driver, and consoles
always resume in the "on" state.
Signed-off-by: Mike Westerhof <mwester@dls.net>
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gta0x-log-serial-rx-error.patch
This patch causes a KERN_DEBUG message to be printed each time an
error status is read from a UART. This is intended to facilitate
the reporting of more useful problem and bug reports from users
in the field.
Signed-off-by: Mike Westerhof <mwester@dls.net>
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Add the basic GSM flowcontrol code.
Signed-off-by: Mike Westerhof <mwester@dls.net>
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Timo noticed that his compound USB device wasn't getting recognized properly,
it was stuck on the CD-ROM class part of it. This was accepted by the GTA02
but no scsi device was spawned for it. He figured out in the end that it is
the lack of a UDF filesystem module that was the problem.
This patch adds UDF and CDROM as a built-in on defconfig-2.6.24, for the
modular configs it just adds it as a module.
Reported-by: Timo Drick <timo@drick.de>
Signed-off-by: Andy Green <andy@openmoko.com>
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Carsten mentioned that evbug module is getting modprobed in
to ASU somehow and making havoc. This patch stops us building
it because there's no time to figure out why it gets modprobed
in and it doesn't seem to do anything but spew syslog -- and we
never needed it before now.
Reported-by: Carsten Haitzler <raster@openmoko.org>
Signed-off-by: Andy Green <andy@openmoko.com>
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Subject: [PATCH] [ar6k] Build the wireless driver without DEBUG
- Remove DEBUG from the Makefile
- Do not send events through netlink to userspace. We might
need to reevaluate this. But we seem to use wireless_send_event
at the right places.
(SEND_EVENT_TO_APP)
- Do not report debug logs to apps
(REPORT_DEBUG_LOGS_TO_APP)
Signed-Off-By: Holger Freyther <zecke@openmoko.org>
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This patch adds a script that creates a "recovery kernel" image
from a recovery-uImage-moredrivers-... image. The use of these
recovery images is explained here:
http://wiki.openmoko.org/wiki/Freerunner_backup_kernel
Signed-off-by: Andy Green <andy@openmoko.com>
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Suggested-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Colons are not very friendly for tar... scp has trouble too but
you can override that by prepending any path like ./ ... still
better to dilute the colon down to a _ avoiding - because it can
appear in branch names we use.
Signed-off-by: Andy Green <andy@openmoko.com>
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Keep a copy of last "moredrivers" config kernel built stamped with
branch and git head at build time.
Signed-off-by: Andy Green <andy@openmoko.com>
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This patch adds the branch and truncated head has to the version of the
kernel
# cat /proc/version
Linux version 2.6.26-andy-2.6.26:2b3bf342baac52b9-mokodev (agreen@pads.home.warmcat.com) (gcc version 4.1.2) #878 PREEMPT Sun Jul 27 14:45:25 BST 2008
Note this versioning is visible down /lib/modules
Signed-off-by: Andy Green <andy@openmoko.com>
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If the charger was removed, we fell through back to old
hdq-driven code with normally wrong but slightly random
results for charging LED behaviour in that circumstance
This patch makes us use the tracked charger status
callbacks alone if they are defined in the platform
data.
Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Uses bus_create_device_link to correctly create the gllin compat link.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
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Allows the direct creation of symlinks on /sys/bus/*/devices. This is needed
for a compat symlink from gta01-pm-gps.0 to neo1973-pm-gps.0 on the Openmoko
Neo1973 GTA01.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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Signed-off-by: Andy Green <andy@openmoko.com>
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